/*
Copyright (c) 2018 VMware, Inc. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package item

import (
	"context"
	"flag"
	"fmt"

	"github.com/vmware/govmomi/govc/cli"
	"github.com/vmware/govmomi/govc/flags"
	"github.com/vmware/govmomi/vapi/library"
	"github.com/vmware/govmomi/vapi/rest"
)

type create struct {
	*flags.ClientFlag
	*flags.OutputFlag
	item        library.Item
	description string
}

func init() {
	cli.Register("library.item.create", &create{})
}

func (cmd *create) Register(ctx context.Context, f *flag.FlagSet) {
	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
	cmd.ClientFlag.Register(ctx, f)
	cmd.OutputFlag.Register(ctx, f)
	f.StringVar(&cmd.item.Description, "d", "", "Description of library")
}

func (cmd *create) Process(ctx context.Context) error {
	if err := cmd.ClientFlag.Process(ctx); err != nil {
		return err
	}
	return nil
}

func (cmd *create) Description() string {
	return `List library items.

Examples:
  govc library.item.create library_name item_name
  govc library.item.create library_name item_name -json | jq .`
}

type createResult []library.Item

func (cmd *create) Run(ctx context.Context, f *flag.FlagSet) error {
	return cmd.WithRestClient(ctx, func(c *rest.Client) error {
		m := library.NewManager(c)
		var err error

		if f.NArg() != 2 {
			return flag.ErrHelp
		}

		arg := f.Arg(0)
		name := f.Arg(1)
		library, err := m.GetLibraryByName(ctx, arg)
		if err != nil {
			return err
		}

		cmd.item.Name = name
		cmd.item.LibraryID = library.ID

		id, err := m.CreateLibraryItem(ctx, cmd.item)

		if err != nil {
			return err
		}
		fmt.Println(id)

		return nil
	})
}
